Chapter 19
1. D. DECT 6.0 refers to U.S. devices.
2. B. Bluetooth forms a personal-area network (PAN) and has a short range.
3. B. Bluetooth operates in the 2.4-GHz band and can affect 802.11b/g/n devices.
4. A, C. ZigBee is used for building automation and for energy management.
5. C. ZigBee belongs to the IEEE 802.15.4 family of standards.
6. D. The IEEE 802.16 standard defines WiMAX.
7. D. CleanAir adds spectrum analysis capabilities to a Cisco lightweight AP.
8. A. CleanAir analyzes non-802.11 signals to detect and classify devices that interfere with 802.11 AP cells.
9. B. By default, Cisco CleanAir is disabled on a controller.
10. D. Because CleanAir has assigned a severity value of 4, the interference is likely not severe. The severity ...
Get CCNA Wireless 640-722 Official Cert Guide now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
